Home / 136,935.74-205,364.72-43,439.06

Finding the Fourth Proportional to 136,935.74, 205,364.72 and 43,439.06

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Solution

The fourth proportional to 136,935.74, 205,364.72 and 43,439.06 is: 65,146.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,935.74 : 205,364.72 = 43,439.06 : x
  2. Step 2: Convert to fraction form
    136,935.74/205,364.72 = 43,439.06/x
  3. Step 3: Cross multiply
    136,935.74x = 205,364.72 × 43,439.06
  4. Step 4: Simplify right side
    136,935.74x = 8,920,849,475.74
  5. Step 5: Solve for x
    x = 8,920,849,475.74/136,935.74
  6. Step 6: Final answer
    x = 65,146.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.